Method for treatment of primary coolant medium of a pressurized

Details Method for treatment of primary coolant medium of a pressurized Method for treatment of primary coolant medium of a pressurized

1992-08-06

1994-04-26

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Corrosion or damage prevention

376305, 976DIG379, 252631, G21C 900

Patent

active

053073916

ABSTRACT:
A method for treating the primary coolant of a pressure water reactor by controlling its efficiency through the H.sub.3 BO.sub.3 content in the coolant is described. Hydrazine hydrate is continuously added to the coolant cycle of a nuclear reactor which is charged for energy generation in such amounts that its content is 5.multidot.10.sup.-6 to 5.multidot.10.sup.-2 g/kg coolant. Excess hydrogen is removed from the coolant leaving a content of no more than 100 n.ml/kg.

REFERENCES:
patent: 4317741 (1982-03-01), Lederle et al.
patent: 4376753 (1983-03-01), Lucas
patent: 4981641 (1991-01-01), Campion
The Control of Erosion--Corrosion of Mild Steel Using an Oxygen-Ammonia-Hydrazine-Dosed Feedwater by D-Penfold, Nuclear Energy, 1986, 25; No. 5, Oct. (pp. 257-266).
Tackling Erosion-Corrosion in Nuclear Steam Generating Plant, by Bianold, Water Chemistry Jun. 1981 pp. (37-41).

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